Add trim and replace template functions

diff --git a/docs/content/templates/functions.md b/docs/content/templates/functions.md
index fcc0f45ac62eecf29d09fd743467a05df4942f82..1b759e06624a27ef2160f8e2a002971befb328e9 100644 (file)
--- a/docs/content/templates/functions.md
+++ b/docs/content/templates/functions.md
@@ -292,6 +292,16 @@ Removes any trailing newline characters. Useful in a pipeline to remove newlines
 
 e.g., `{{chomp "<p>Blockhead</p>\n"` → `"<p>Blockhead</p>"`
 
+### trim
+Trim returns a slice of the string with all leading and trailing characters contained in cutset removed.
+
+e.g. `{{ trim "++Batman--" "+-" }}` → "Batman"
+
+### replace
+Replace all occurences of the search string with the replacement string.
+
+e.g. `{{ replace "Batman and Robin" "Robin" "Catwoman" }}` → "Batman and Catwoman"
+
 ### highlight
 Take a string of code and a language, uses Pygments to return the syntax highlighted code in HTML. Used in the [highlight shortcode](/extras/highlighting).
 

diff --git a/tpl/template.go b/tpl/template.go
index a051eba0b2b9ec95a906b960c61e02d2b93525b0..f392f81f0d2a877e2a4dd90d016fc6d3eeeb1a54 100644 (file)
--- a/tpl/template.go
+++ b/tpl/template.go
@@ -1237,6 +1237,8 @@ func init() {
                "relref":      RelRef,
                "apply":       Apply,
                "chomp":       Chomp,
+    "replace":     func(a string, b string, c string) string { return strings.Replace(a, b, c, -1) },
+    "trim":        func(a string, b string) string { return strings.Trim(a, b) },
        }
 
        chompRegexp = regexp.MustCompile("[\r\n]+$")